UMN Gopher Client Remote Buffer Overflow Vulnerability

BID:14693

Info

UMN Gopher Client Remote Buffer Overflow Vulnerability

Bugtraq ID: 14693
Class: Boundary Condition Error
CVE: CVE-2005-2772
Remote: Yes
Local: No
Published: Aug 30 2005 12:00AM
Updated: Jul 12 2009 05:06PM
Credit: Discovery is credited to vade79.
Vulnerable: University of Minnesota gopherd 3.0.9
University of Minnesota gopherd 3.0.7
+ Debian Linux 3.1 sparc
 + Debian Linux 3.1 s/390
 + Debian Linux 3.1 ppc
 + Debian Linux 3.1 mipsel
 + Debian Linux 3.1 mips
 + Debian Linux 3.1 m68k
 + Debian Linux 3.1 ia-64
 + Debian Linux 3.1 ia-32
 + Debian Linux 3.1 hppa
 + Debian Linux 3.1 arm
 + Debian Linux 3.1 amd64
 + Debian Linux 3.1 alpha
 + Debian Linux 3.1
University of Minnesota gopherd 3.0.5
University of Minnesota gopherd 3.0.4
University of Minnesota gopherd 3.0.3
+ Debian Linux 3.0 sparc
 + Debian Linux 3.0 s/390
 + Debian Linux 3.0 ppc
 + Debian Linux 3.0 mipsel
 + Debian Linux 3.0 mips
 + Debian Linux 3.0 m68k
 + Debian Linux 3.0 ia-64
 + Debian Linux 3.0 ia-32
 + Debian Linux 3.0 hppa
 + Debian Linux 3.0 arm
 + Debian Linux 3.0 alpha
 + Debian Linux 3.0
Not Vulnerable:

Discussion

UMN Gopher Client Remote Buffer Overflow Vulnerability

Gopher is prone to a remote buffer overflow vulnerability.

The vulnerability presents itself when the client handles a malformed '+VIEWS:' reply from a server.

A remote attacker may gain unauthorized access in the context of the user running the application.

Gopher version 3.0.9 is reported to be affected by this vulnerability, however, other versions may be vulnerable as well.

Exploit / POC

UMN Gopher Client Remote Buffer Overflow Vulnerability

Exploit code is available:

Solution / Fix

UMN Gopher Client Remote Buffer Overflow Vulnerability

Solution:
Debian has released advisory DSA 832-1 to address this issue. Please see the attached advisory for details on obtaining and applying fixes.

---
Currently we are not aware of any vendor-supplied patches for this issue. If you feel we are in error or are aware of more recent information, please mail us at: [email protected] <mailto:[email protected]>.


University of Minnesota gopherd 3.0.3

University of Minnesota gopherd 3.0.7

References

UMN Gopher Client Remote Buffer Overflow Vulnerability

References:

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